Tyrrell, G W, <br/><br/>
The principles of petrology. :   An introduction to the science of rocks. /  
by G W Tyrrell .  
 - 1st ed. 
 - New York:  Chapman and Hall,  1975. 
 - xii,349p.:  15cm. 
<br/><br/>Index. 
<br/><br/><label>ISBN: </label>041211500x 
<br/><br/><label>Subjects--Index Terms: </label>Petrology , Geography, Earth Science 
<br/><br/><label>Dewey Class. No.: </label>552